The present technology is directed to establishing a connection between a client device within a 2G or 3G network and 5G core through an interworking function. The present technology can perform establishing a Gn-4G interworking function (IWF) between a client access network and a packet anchor network and performing one or more network functions through the Gn-4G IWF in providing a client of the client access network access to network services through the packet anchor network. The one or more network functions appear as one or more Gateway GPRS Support Node (GGSN) functions from the client access network (e.g., 2G or 3G network). The one or more network functions concurrently appear as one or more S4 Serving GPRS Support Node (SGSN) functions from the packet anchor network (e.g., 4G or 5G network).
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
2. The method of claim 1, wherein the Gn-4G IWF is a Gn-S4 IWF, which appears as a standalone S4 Serving GPRS Support Node (SGSN) function.
A system and method for interworking between 4G and 5G networks involves a Gn-4G Interworking Function (IWF) that facilitates communication between a 5G core network and a 4G core network. The IWF enables seamless mobility and service continuity for user devices transitioning between 4G and 5G networks. The IWF translates signaling and data protocols between the two network generations, ensuring compatibility and uninterrupted connectivity. In one configuration, the Gn-4G IWF operates as a Gn-S4 IWF, functioning as a standalone S4 Serving GPRS Support Node (SGSN). This standalone SGSN function allows the IWF to directly interface with 4G core network elements, such as the Gateway GPRS Support Node (GGSN), while maintaining compatibility with 5G core network functions. The IWF handles session management, mobility management, and data routing between the 4G and 5G networks, ensuring efficient and reliable communication. This approach simplifies network architecture by consolidating interworking functionality into a single node, reducing complexity and improving performance. The system supports both control plane and user plane interactions, enabling full interoperability between 4G and 5G networks.
3. The method of claim 1, wherein the Gn-4G IWF is a Gn-S5 IWF, which appears as an S4 SGSN function integrated to a Serving Gateway Control (SGW-C) function.
This invention relates to wireless communication systems, specifically addressing interworking between 4G and 5G networks. The problem solved is the seamless integration of legacy 4G infrastructure with newer 5G architectures, particularly for devices that support both generations. The solution involves a Gn-4G Interworking Function (IWF) that bridges the gap between 4G and 5G core networks, enabling smooth handover and service continuity. The Gn-4G IWF is implemented as a Gn-S5 IWF, which combines the functionality of a 4G S4 Serving GPRS Support Node (SGSN) with a 5G Serving Gateway Control (SGW-C) function. This integration allows the IWF to translate and route signaling and data between the 4G and 5G core networks. The S4 SGSN function handles 4G-specific signaling, while the SGW-C function manages 5G-specific control plane operations. This dual functionality ensures compatibility with both network generations, enabling devices to maintain connectivity as they transition between 4G and 5G networks. The invention improves network efficiency by reducing the need for separate gateways and simplifying interworking procedures. It also enhances user experience by minimizing service disruptions during network transitions. The solution is particularly useful for operators deploying 5G networks while maintaining existing 4G infrastructure.
4. The method of claim 1, wherein the client access network is one of GSM Edge Radio Access Network (GERAN) or UMTS Terrestrial Radio Access Network (UTRAN).
This invention relates to wireless communication systems, specifically methods for managing client access networks in mobile telecommunications. The problem addressed is the need for efficient and flexible network management in heterogeneous radio access environments, such as those combining GSM Edge Radio Access Network (GERAN) and UMTS Terrestrial Radio Access Network (UTRAN) technologies. The invention provides a method for dynamically selecting and configuring access networks to optimize performance, resource allocation, and user experience. The method involves identifying available access networks, including GERAN and UTRAN, and determining their operational parameters, such as signal strength, bandwidth, and latency. Based on these parameters, the system selects the most suitable access network for a client device, ensuring seamless connectivity and efficient resource utilization. The method also includes mechanisms for switching between GERAN and UTRAN when conditions change, such as signal degradation or increased network load, to maintain optimal performance. Additionally, the method may prioritize access networks based on predefined criteria, such as quality of service requirements or user preferences, to further enhance efficiency. By integrating GERAN and UTRAN into a unified management framework, the invention enables operators to leverage the strengths of both technologies, improving coverage, capacity, and service reliability in diverse deployment scenarios. The solution is particularly useful in environments where multiple access technologies coexist, ensuring smooth transitions and consistent performance for end-users.
5. The method of claim 1, wherein the Gn-4G interworking function is implemented at one or more servers in the packet anchor network.
The invention relates to telecommunications, specifically to interworking between 5G and 4G networks. The problem addressed is the need for efficient communication between 5G and 4G networks, particularly in handling signaling and data traffic during transitions between these network generations. The solution involves a Gn-4G interworking function that facilitates seamless interoperation between 5G and 4G core networks. This function is implemented at one or more servers within the packet anchor network, which serves as a central point for managing data sessions and mobility between the networks. The interworking function translates signaling protocols and data formats between 5G and 4G, ensuring compatibility and continuity of service. It also manages session handoffs, allowing devices to move between 5G and 4G networks without service interruption. The servers in the packet anchor network provide the necessary processing power and connectivity to handle these interworking tasks efficiently. This approach improves network reliability and user experience by minimizing disruptions during network transitions. The invention is particularly useful in environments where 5G coverage is not yet universal, and devices must frequently switch between 5G and 4G networks.
6. The method of claim 1, wherein the packet anchor network is part of the 5G Core network (5GC).
This invention relates to wireless communication systems, specifically improving network efficiency and mobility management in 5G networks. The problem addressed is the need for optimized packet routing and session continuity in 5G Core (5GC) networks, particularly when user equipment (UE) moves between different network segments. Traditional methods often lead to inefficient routing or service disruptions during mobility events. The invention describes a method for managing packet routing in a 5G Core network (5GC). A packet anchor network is used to maintain consistent data paths for UE devices as they transition between network areas, such as between different base stations or network slices. The packet anchor network ensures seamless session continuity by dynamically adjusting routing paths without interrupting active data sessions. This involves tracking UE mobility patterns and selectively anchoring data packets to specific network nodes to minimize latency and bandwidth usage. The method also includes mechanisms for load balancing and prioritizing traffic based on service requirements, ensuring high-quality service delivery across the network. By integrating the packet anchor network within the 5GC, the invention enhances mobility management, reduces signaling overhead, and improves overall network performance. The solution is particularly useful for applications requiring low-latency communication, such as real-time video streaming or autonomous vehicle coordination.
7. The method of claim 1, wherein the packet anchor network is part of a 4G Core network.
A method for managing network traffic in a 4G Core network involves using a packet anchor network to optimize data routing. The packet anchor network acts as a central point for directing data packets between user devices and external networks, ensuring efficient and reliable communication. This method includes establishing a connection between a user device and the packet anchor network, which then routes data packets to their intended destinations. The packet anchor network may also handle mobility management, ensuring seamless connectivity as users move between different network areas. Additionally, the method may involve load balancing to distribute traffic evenly across the network, preventing congestion and improving performance. Security measures, such as encryption and authentication, are implemented to protect data integrity and prevent unauthorized access. The packet anchor network integrates with other network components, such as gateways and servers, to provide a cohesive and scalable solution for managing data traffic in a 4G Core network. This approach enhances network efficiency, reliability, and security, addressing challenges related to data routing and mobility in wireless communication systems.
9. The system of claim 8, wherein the Gn-4G IWF is a Gn-S4 IWF, which appears as a standalone S4 Serving GPRS Support Node (SGSN) function.
The invention relates to a telecommunications system for interworking between 4G and 5G networks, specifically addressing the integration of a Gn-4G Interworking Function (IWF) that enables seamless connectivity between 4G and 5G core networks. The system includes a Gn-4G IWF that acts as an intermediary, translating signaling and data protocols between the 4G and 5G architectures. In this configuration, the Gn-4G IWF is implemented as a Gn-S4 IWF, functioning as a standalone S4 Serving GPRS Support Node (SGSN). This standalone SGSN function allows the Gn-S4 IWF to operate independently, providing compatibility with existing 4G infrastructure while facilitating the transition to 5G. The system ensures that 4G devices can access 5G networks without requiring modifications to the 4G core network, thereby simplifying the deployment of 5G services. The Gn-S4 IWF handles mobility management, session control, and data routing between the 4G and 5G domains, ensuring uninterrupted service for users during network transitions. This approach reduces the complexity and cost of integrating 4G and 5G networks, making it easier for operators to upgrade their infrastructure while maintaining backward compatibility.
10. The system of claim 8, wherein the Gn-4G IWF is a Gn-S5 IWF, which appears as an S4 SGSN function integrated to a Serving Gateway Control (SGW-C) function.
This invention relates to wireless communication systems, specifically addressing interworking between 4G and 5G networks. The problem solved is the seamless integration of legacy 4G core network elements with newer 5G core architectures, particularly for devices using older 4G interfaces while connecting to a 5G core. The system includes an interworking function (IWF) that bridges 4G and 5G networks, enabling 4G devices to access 5G core services. The IWF is a Gn-S5 IWF, which combines the functionality of a 4G SGSN (Serving GPRS Support Node) with a 5G SGW-C (Serving Gateway Control function). This integration allows the IWF to act as an S4 SGSN, maintaining compatibility with 4G interfaces while interfacing with 5G core components. The IWF translates signaling and data between 4G and 5G protocols, ensuring backward compatibility for 4G devices in a 5G network environment. This approach simplifies network architecture by reducing the need for separate gateway functions, improving efficiency and reducing latency in interworking scenarios. The solution is particularly useful for operators transitioning from 4G to 5G while maintaining support for existing 4G devices.
11. The system of claim 8, wherein the client access network is one of GSM Edge Radio Access Network (GERAN) or UMTS Terrestrial Radio Access Network (UTRAN).
A system for managing network access in wireless communication environments addresses the challenge of efficiently connecting client devices to different types of radio access networks. The system includes a client access network that interfaces with a core network, enabling seamless communication for client devices. The client access network can be configured as either a GSM Edge Radio Access Network (GERAN) or a UMTS Terrestrial Radio Access Network (UTRAN), depending on the deployment requirements. GERAN supports GSM and EDGE technologies, providing backward compatibility with legacy 2G networks, while UTRAN supports 3G UMTS technology, offering higher data rates and improved performance. The system ensures that client devices can access the core network through the appropriate radio access technology, optimizing connectivity and service delivery. This flexibility allows network operators to deploy the system in various environments, leveraging existing infrastructure while supporting modern communication standards. The system may also include additional components, such as base stations and network controllers, to facilitate communication between client devices and the core network. By integrating GERAN or UTRAN, the system provides a robust solution for managing wireless access in diverse network configurations.
12. The system of claim 8, wherein the Gn-4G interworking function is implemented at one or more servers in the packet anchor network.
The system relates to telecommunications, specifically to interworking between 5G (Gn) and 4G networks. The problem addressed is the need for seamless integration between 5G and 4G networks, particularly in handling data sessions and mobility management across different generations of cellular technology. The system includes a packet anchor network that serves as a bridge between 5G and 4G networks, ensuring continuity of service for users transitioning between these networks. A key component of the system is the Gn-4G interworking function, which enables communication between 5G core network elements and 4G core network elements. This function translates signaling and data protocols between the two network types, allowing for interoperability. The system also includes a packet anchor network that provides a stable point for data session anchoring, ensuring that data sessions remain active even as users move between 5G and 4G networks. The Gn-4G interworking function is implemented at one or more servers within the packet anchor network. These servers handle the protocol conversion and session management required for seamless interworking. The system may also include additional network elements, such as gateways or mobility management entities, to support the interworking process. The overall goal is to provide a robust and efficient solution for integrating 5G and 4G networks, ensuring reliable service delivery across different network generations.
13. The system of claim 8, wherein the packet anchor network is part of a 5G Core network (5GC).
A system for managing network traffic in a 5G Core network (5GC) includes a packet anchor network that handles data sessions for user devices. The packet anchor network provides mobility management, ensuring seamless connectivity as devices move between different network access points. It also supports session continuity, allowing ongoing data sessions to persist without interruption during transitions. The system further includes a control plane for managing network resources and a user plane for transmitting user data. The control plane handles signaling and policy enforcement, while the user plane processes and routes data packets. The packet anchor network interacts with these components to maintain efficient data flow and optimize network performance. This system addresses challenges in 5G networks, such as handling high mobility and ensuring low-latency communication, by integrating mobility and session management functions within the 5GC architecture. The solution enhances reliability and user experience in dynamic network environments.
14. The system of claim 8, wherein the packet anchor network is part of a 4G Core network.
A system for managing network traffic in a 4G Core network includes a packet anchor network that serves as a central point for routing and controlling data packets between user devices and external networks. The packet anchor network ensures seamless handover of data sessions as devices move between different access networks, such as 4G and Wi-Fi, while maintaining consistent quality of service. It also enforces policies for data routing, security, and bandwidth allocation, optimizing network performance and resource utilization. The system may further include a mobility management entity to track device locations and a policy control function to manage access and service rules. The packet anchor network integrates with these components to provide reliable and efficient data transmission, supporting both real-time and non-real-time services. This architecture enhances network flexibility, scalability, and reliability, addressing challenges in maintaining continuous connectivity and service quality in heterogeneous network environments.
16. The non-transitory computer readable medium of claim 15, wherein the Gn-4G IWF is a Gn-S4 IWF, which appears as a standalone S4 Serving GPRS Support Node (SGSN) function.
This invention relates to wireless communication systems, specifically addressing interworking between 4G and 5G networks. The problem solved involves seamless integration of legacy 4G infrastructure with newer 5G architectures, particularly for devices that do not natively support 5G. The solution involves an interworking function (IWF) that bridges the gap between 4G and 5G core networks, enabling backward compatibility. The IWF operates as a standalone S4 Serving GPRS Support Node (SGSN) function, appearing as a Gn-S4 IWF. This allows it to interface with 4G elements while supporting 5G core network operations. The IWF translates signaling and data protocols between the two network generations, ensuring that 4G devices can access 5G services without requiring modifications to the existing 4G infrastructure. This approach simplifies network migration by maintaining compatibility with legacy systems while enabling the gradual adoption of 5G technology. The IWF handles mobility management, session control, and data routing between 4G and 5G networks. It appears as a standalone SGSN to 4G elements, masking the complexity of the underlying 5G core. This ensures that 4G devices can connect to 5G services without requiring changes to their software or hardware. The solution is particularly useful for network operators transitioning from 4G to 5G, as it allows them to leverage existing 4G infrastructure while introducing 5G capabilities.
17. The non-transitory computer readable medium of claim 15, wherein the Gn-4G IWF is a Gn-S5 IWF, which appears as an S4 SGSN function integrated to a Serving Gateway Control (SGW-C) function.
This invention relates to wireless communication systems, specifically to interworking functions (IWF) that facilitate connectivity between 4G and 5G networks. The problem addressed is the need for seamless integration between 4G and 5G core networks, particularly when transitioning from a 4G Serving GPRS Support Node (SGSN) to a 5G Serving Gateway Control (SGW-C) function. The solution involves a Gn-4G IWF, which is a specialized interworking function that enables communication between 4G and 5G network elements. In this embodiment, the Gn-4G IWF is implemented as a Gn-S5 IWF, which appears as an S4 SGSN function integrated into an SGW-C function. This integration allows the Gn-S5 IWF to handle signaling and data traffic between 4G and 5G networks, ensuring compatibility and smooth operation. The Gn-S5 IWF translates protocols and interfaces between the 4G SGSN and the 5G SGW-C, enabling devices to maintain connectivity as they transition between network generations. This approach simplifies network architecture by consolidating interworking functionality within the SGW-C, reducing complexity and improving efficiency. The invention is particularly useful in scenarios where legacy 4G devices need to operate within a 5G core network, ensuring backward compatibility and uninterrupted service.
18. The non-transitory computer readable medium of claim 15, wherein the client access network is one of GSM Edge Radio Access Network (GERAN) or UMTS Terrestrial Radio Access Network (UTRAN).
This invention relates to wireless communication systems, specifically improving network access control for client devices. The problem addressed is ensuring efficient and secure access to network resources while managing different types of radio access networks. The solution involves a non-transitory computer-readable medium storing instructions that, when executed, enable a network node to control access for client devices. The system identifies the type of client access network, which can be either a GSM Edge Radio Access Network (GERAN) or a UMTS Terrestrial Radio Access Network (UTRAN). Based on this identification, the network node determines whether to allow or deny access, applying specific access control policies tailored to the network type. The instructions also handle authentication and authorization processes, ensuring only authorized devices connect. The system dynamically adjusts access parameters to optimize network performance and security, particularly in heterogeneous network environments where multiple access technologies coexist. This approach enhances network efficiency by reducing unauthorized access attempts and improving resource allocation for legitimate users. The solution is particularly useful in mobile communication systems where different radio access technologies must be managed seamlessly.
19. The non-transitory computer readable medium of claim 15, wherein the Gn-4G interworking function is implemented at one or more servers in the packet anchor network.
The invention relates to telecommunications systems, specifically addressing interoperability between 5G (Gn) and 4G networks. The problem solved is the seamless integration of 5G and 4G networks to ensure continuous service for mobile devices as they transition between these network generations. The solution involves a Gn-4G interworking function that enables communication between 5G and 4G network elements, allowing for efficient data routing and session management. This interworking function is implemented at one or more servers within the packet anchor network, which serves as a central point for handling data traffic and maintaining connectivity. The servers facilitate the translation of signaling and data protocols between 5G and 4G, ensuring compatibility and uninterrupted service. This approach simplifies network architecture by consolidating interworking capabilities in a centralized location, reducing complexity and improving reliability. The invention is particularly useful in scenarios where mobile devices move between 5G and 4G coverage areas, ensuring a smooth handover process without service disruption. The implementation at the packet anchor network ensures that the interworking function is scalable and can handle high volumes of traffic efficiently.
20. The non-transitory computer readable medium of claim 15, wherein the packet anchor network is part of a 5G Core network (5GC).
A system and method for managing packet anchor networks in wireless communication systems, particularly in 5G Core networks (5GC). The invention addresses the challenge of efficiently handling packet data sessions in mobile networks, ensuring seamless connectivity and optimized resource utilization. The solution involves a packet anchor network that dynamically anchors packet data sessions to specific network nodes based on user equipment (UE) mobility, network conditions, and service requirements. This anchor network is integrated into the 5G Core network architecture, enabling efficient session management, reduced latency, and improved reliability. The system includes mechanisms for selecting and reconfiguring packet anchors to maintain optimal performance as the UE moves across different network segments. Additionally, the packet anchor network supports interworking with other network functions in the 5GC, such as the Access and Mobility Management Function (AMF) and the Session Management Function (SMF), to ensure coherent session handling. The invention also provides methods for monitoring and adjusting packet anchor configurations in real-time to adapt to changing network conditions and user demands. This approach enhances the overall efficiency and scalability of 5G networks, particularly in scenarios involving high mobility and diverse service requirements.
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March 6, 2023
April 23, 2024
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